답안 #95351

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
95351	2019-01-30T14:48:27 Z	dalgerok	Easter Eggs (info1cup17_eastereggs)	C++14	컴파일 오류	0 ms	0 KB

eastereggs

#include<bits/stdc++.h>
#include "grader.h"
using namespace std;

vector < int > q, g[10000];

void dfs(int v, int pr = -1){
    q.push_back(v);
    for(int to : g[v]){
        if(to != pr){
            dfs(to, v);
        }
    }
}

int FindEdgge(int N, vector < pair < int, int > > bridges){
    q.clear();
    for(int i = 1; i <= N; i++){
        g[i].clear();
    }
    for(auto it : bridges){
        g[it.first].push_back(it.second);
        g[it.second].push_back(it.first);
    }
    dfs(1);
    int l = 1, r = N;
    while(l < r){
        int mid = (r + l) >> 1;
        if(query(vector < int >(q.begin(), q.begin() + mid))){
            r = mid;
        }
        else{
            l = mid + 1;
        }
    }
    return q[l - 1];
}

Compilation message

/tmp/ccUh5Myh.o: In function `main':
grader.cpp:(.text.startup+0x1d7): undefined reference to `findEgg(int, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >)'
collect2: error: ld returned 1 exit status